#region License

/*
 * Copyright 2004 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#endregion

#region Imports

using System;
using System.Reflection;

using NUnit.Framework;
using Spring.Objects;

#endregion

namespace Spring.Core
{
	/// <summary>
    /// Unit tests for the MethodArgumentsCriteria class.
    /// </summary>
    /// <author>Rick Evans</author>
    /// <author>Bruno Baia</author>
	[TestFixture]
    public sealed class MethodArgumentsCriteriaTests
    {
        [Test]
        public void IsNotSatisfiedWithNull() {
            MethodArgumentsCriteria criteria = new MethodArgumentsCriteria();
            Assert.IsFalse (criteria.IsSatisfied (null), "Was satisified with null.");
        }

        [Test]
        public void IsSatisfiedWithNoParametersByDefault() 
        {
            MethodArgumentsCriteria criteria = new MethodArgumentsCriteria();
            MethodInfo method = GetType().GetMethod ("Foo");
            Assert.IsTrue (criteria.IsSatisfied (method), "Was not satisified with a method that takes no parameters by default.");
        }

        [Test]
        public void IsSatisfied() 
        {
            MethodArgumentsCriteria criteria = new MethodArgumentsCriteria(
                new Object[] { "Bruno", DateTime.Now, new TestObject("Bruno", 29) });
            MethodInfo method = GetType ().GetMethod ("BoJangles");
            Assert.IsTrue (criteria.IsSatisfied (method), "Was not satisified with a method that takes a whole buncha parameters.");

            method = GetType().GetMethod ("BadBobbyBoJangles");
            Assert.IsFalse (criteria.IsSatisfied (method), "Was satisified with a (bad) method that takes a whole buncha parameters.");
        }

        [Test]
        public void IsSatisfiedIsPolymorphic() 
        {
            // i.e. derived types satisfy the criteria if a base type or interface is
            // specified as one of the parameter types
            MethodArgumentsCriteria criteria
                = new MethodArgumentsCriteria(new Object[] { new TestObject("Bruno", 29) });
            MethodInfo method = GetType().GetMethod ("Diddly");
            Assert.IsTrue (criteria.IsSatisfied (method), "Was not satisified with a method that takes a base class as a parameter.");
        }

        [Test]
        public void IsSatisfiedWithParamsArguments()
        {
            MethodArgumentsCriteria criteria = new MethodArgumentsCriteria(new Object[] { 29, "Bruno" });
            MethodInfo method = GetType().GetMethod("ParamsArguments");
            Assert.IsTrue(criteria.IsSatisfied(method), "Was not satisified with a method that takes a parameter array ('params') as a parameter.");

            criteria = new MethodArgumentsCriteria(new Object[] { 29, new string[] { "Bruno", "Rick" } });
            method = GetType().GetMethod("ParamsArguments");
            Assert.IsTrue(criteria.IsSatisfied(method), "Was not satisified with a method that takes a parameter array ('params') as a parameter.");

            criteria = new MethodArgumentsCriteria(new Object[] { 29 });
            method = GetType().GetMethod("ParamsArguments");
            Assert.IsTrue(criteria.IsSatisfied(method), "Was not satisified with a method that takes a parameter array ('params') as a parameter.");

            criteria = new MethodArgumentsCriteria(new Object[] { 29, "Bruno", "Rick", "James" });
            method = GetType().GetMethod("ParamsArguments");
            Assert.IsTrue(criteria.IsSatisfied(method), "Was not satisified with a method that takes a parameter array ('params') as a parameter.");

            criteria = new MethodArgumentsCriteria(new Object[] { 29, new string[] { "Bruno", "Rick" }, "James" });
            method = GetType().GetMethod("ParamsArguments");
            Assert.IsFalse(criteria.IsSatisfied(method), "Was not satisified with a method that takes a parameter array ('params') as a parameter.");
        }

        // some methods for testing signatures...
        public void Foo () 
        {
        }

        public DateTime BoJangles (string one, DateTime two, TestObject three) 
        {
            return DateTime.Now;
        }

        public void BadBobbyBoJangles(string one, DateTime two, string bing) 
        {
        }

        public void Diddly (ITestObject three) 
        {
        }

        public void ParamsArguments(int foo, params string[] strs)
        {
        }
	}
}
